title: Group A beta-hemolytic streptococcal pharyngitis resistant to erythromycin: case report.
mesh_terms: D000328:Adult; D004352:Drug Resistance, Microbial; D004917:Erythromycin / Q000494:pharmacology* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D010612:Pharyngitis / Q000188:drug therapy; D013297:Streptococcus pyogenes / Q000187:drug effects*
chemical_list: D004917:Erythromycin